Williamstown, NY Weather & Growing Conditions
Today
79°F
Sunny
Sunny, with a high near 79. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Sunny | 5 mph W | 0% |
| Tonight | 57°F | Partly Cloudy then Patchy Fog | 2 mph SW | 0% |
| Wednesday | 80°F | Patchy Fog then Partly Sunny | 1 to 5 mph SW | 0% |
| Wednesday Night | 63°F | Mostly Cloudy then Chance Rain Showers | 5 mph S | 16% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 6 mph S | 68% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 68% |
| Friday | 83°F | Chance Showers And Thunderstorms | 1 to 6 mph W | 68% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 3 mph SW | 68% |
| Saturday | 81°F | Showers And Thunderstorms Likely | 1 to 6 mph SW | 66% |
| Saturday Night | 62°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 3 mph SW | 66% |
| Sunday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 18% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 18% |
| Monday | 82°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 10 mph W | 41% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 5 to 9 mph W | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamstown, NY
Last spring frost
May 10
First fall frost
Oct 4
Growing season
147 days
Hardiness zone
5b
Explore more for Williamstown, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, North Adams Harriman Ap, Ma (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.